ZagamTheVile@lemmy.world to RetroGaming@lemmy.worldEnglish · 7 个月前Maybe not the coolest thing here but I found this in a reno were doing.lemmy.worldimagemessage-square31fedilinkarrow-up1308arrow-down18
arrow-up1300arrow-down1imageMaybe not the coolest thing here but I found this in a reno were doing.lemmy.worldZagamTheVile@lemmy.world to RetroGaming@lemmy.worldEnglish · 7 个月前message-square31fedilink
minus-squarezout@kbin.sociallinkfedilinkarrow-up4·7 个月前300 ohm is only for the folded dipole antennas which have a four times higher impedance than a single dipole. So you don’t need to use a balun with a roof antenna, just the right type of dipole.
300 ohm is only for the folded dipole antennas which have a four times higher impedance than a single dipole. So you don’t need to use a balun with a roof antenna, just the right type of dipole.